assertFalse(docMap.isEmpty());

        Set<Map.Entry<String, Object>> actual = docMap.entrySet();
        assertTrue(actual.size() == keys.size());
        docMap.clear();

        assertTrue(docMap.isEmpty());
    }

    @Test
    public void test_constructor() {
        Map<String, Object> parentMap = new HashMap<>();
        DocMap docMap = new DocMap(parentMap);

        return idList;
    }

    protected static List<Map<String, Object>> readJobLog(final String namePrefix) {
        final List<Map<String, Object>> logList = readLogItems("joblog");
        final List<Map<String, Object>> resList = new ArrayList<>();
        for (Map<String, Object> elem : logList) {
            if (elem.containsKey("job_name") && elem.get("job_name").equals(namePrefix + "Scheduler")) {

        }
    }

    @Override
    public boolean add(final Map<String, Object> e) {
        return parent.add(e);
    }

    @Override
    public void add(final int index, final Map<String, Object> element) {
        parent.add(index, element);
    }

    @Override
    public boolean addAll(final Collection<? extends Map<String, Object>> c) {
        return parent.addAll(c);
    }

    @Override

                final Map<String, Object> result = parseJson(response.getContentAsString());
                final Map<String, Object> hits = getMapValue(result, "hits");
                if (hits != null) {
                    final List<Map<String, Object>> hitList = getListValue(hits, "hits");
                    if (hitList != null) {
                        for (final Map<String, Object> hit : hitList) {

            throw new StorageException("Failed to upload " + objectName, e);
        }
    }

    /**
     * Downloads an object from the storage system.
     *
     * @param objectName the name of the object to download
     * @param out the output stream to write the object data to
     * @throws StorageException if the download fails
     */

        final List<Map<String, Object>> sentDocList = new ArrayList<>();
        final SearchEngineClient client = new SearchEngineClient() {
            @Override
            public BulkResponse addAll(final String index, final List<Map<String, Object>> docList,
                    final BiConsumer<Map<String, Object>, IndexRequestBuilder> options) {
                sentIndex.set(index);

        deleteLabel(crawlLabelId);

        final List<Map<String, Object>> jobLogList = readJobLog(NAME_PREFIX);
        for (Map<String, Object> elem : jobLogList) {
            deleteMethod("/api/admin/joblog/log/" + elem.get("id"));
        }

        final List<Map<String, Object>> crawlingInfoList = readCrawlingInfo(fileConfigId);
        for (Map<String, Object> elem : crawlingInfoList) {

            application/json:
              schema:
                type: object
                properties:
                  record_count:
                    type: integer
                    example: 9
                  data:
                    type: array
                    items:
                      type: object
                      properties:
                        label:

        @SuppressWarnings("unchecked")
        Map<String, Object> nestedResult = (Map<String, Object>) result.get("nested_map");
        assertEquals("nestedValue", nestedResult.get("nested_key"));
    }

    @Test
    public void test_toLowerHyphen_emptyMap() {
        Map<String, Object> source = new HashMap<>();
        Map<String, Object> result = searchLogHelper.toLowerHyphen(source);

        if (str == null) {
            return null;
        }
        return new String[] { str };
    }

    protected LocalDateTime toLocalDateTime(Object value) {
        return DfTypeUtil.toLocalDateTime(value);
    }

    protected Date toDate(Object value) {
        return DfTypeUtil.toDate(value);
    }

    protected SearchHits getSearchHits(final SearchResponse response) {